Dc excitation of high pressure gas lasers

Details Dc excitation of high pressure gas lasers Dc excitation of high pressure gas lasers

H - Electricity

01

S

345/36

H01S 3/22 (2006.01) H01S 3/09 (2006.01)

Patent

CA 1052894

DC EXCITATION OF HIGH PRESSURE GAS LASERS ABSTRACT OF THE DISCLOSURE A gas laser system with moderate speed gas flow through the optical cavity to facilitate D.C. excitation of the gas to lasing levels. An electrode assembly is positioned so as to provide a glow discharge transverse to the optical axis within the optical cavity when a high D.C. voltage is applied thereto. By maintaining the high rate of flow of gas through the cavity, the glow discharge is stabilized while the gas medium is maintained at high pressure. Proper choice of electrode geometry and flow rate of the gas through the optical cavity allows the laser system to operate at pressures from a few Torr to atmos- pheric pressure and above thereby producing a high power CW output.

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